unparalleled flight stability and lightweight durability with the 13inch frame, craft from carbon for exceptionals performances. for air photography of landscapes, event, and travel, as well as FPV racings competitions where highly speed performances is important. Ideal for MARK4 V3Pro enthusiasts who enjoy projects and professional. With superior vibrations absorption features it protects internal components, ensuring reliability operate even in challenging environment. This frame allows easy assembly and customization, making it compatible for various FPV accessories.